Overview:
Extension changer is ideal for changing files extension, with a few clicks you can have the job done.
The old methods were unchecking 'Hide file extensions of known file types' option from the 'Folder Options' dialog.
or renaming the file from DOS. Using Extension Changer you can change hundreds of files extension ine one go

Here some features:

How Yo Use It:
All you have to do is right click the file you want to change,enter the new extension, and click on change. A new feature in version 0.4 allow to change the extension of several files and even folders in one go.

The Updater:
For checking if any new version is released, giving you a short deciption of the new features and the download link

What's new in version 0.5 :

• New: Show the extension of the file without even opening Extension Changer.
• New: Speed, Edit thousands of files in one second.
• New: Skins, added the aqua skin, more skin will be added later.
• Changed: Doesn't use DDE anymore.